Do you think he is lazy?” “I _____ so once, but I don’t now.”
Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed
“You went late _________ the stadium yesterday evening, didn’t you?” “Yes, my wife was a little late _________ the supper.”
Would you tell me what subject you were good _____ school?
I asked him what he hoped _____ his birthday.
“_____ when does the pub stay open?” “About midnight.”